The pdf version of the final program including abstracts can be downloaded from here

Monday, June 24

09:00-09:40 Registration

09:40-09:50 Welcome

09:50-10:10 Michaela Kraus
Physics of Extreme Massive Stars (presentation)

I. Fundamental parameters of massive stars

10:10-10:55 Lydia Cidale (invited)
Determination of fundamental parameters of massive stars (presentation)

10:55-11:15 Péter Németh
Analysis of Time Series Spectra with Non-LTE Models (presentation)

11:15-11:45 Coffee-break

11:45-12:05 Ronaldo Levenhagen
ZPEKTR - A code for spectral synthesis of massive, fast rotating stars (presentation)

12:05-12:25 Rodrigo Meneses Pacheco
Spectral numerical methodology to describe the line broadening effect produced by the stellar rotation (presentation)

12:25-12:45 Raquel Pezoa
Deep learning models for analyzing massive star data: towards accurate and unbiased results (presentation)

12:45-14:00 Lunch

II. Theory of stellar winds of massive stars

14:00-14:45 Michel Curé (invited)
Hydrodynamical view of massive stars’ winds (presentation)

14:45-15:05 Roberto Oscar José Venero
Stellar Winds from B Supergiant Stars: Exploring the Delta-Slow Hydrodynamic Solution (presentation)

15:05-15:25 Melina Carla Fernandez
Hydrodynamic solutions for radiation-driven winds in transitions regions (presentation)

15:25-15:55 Coffee-break

III. Modeling of stellar atmospheres and winds

15:55-16:40 Andreas Sander (invited)
Winds of massive stars (presentation)

16:40-17:00 Nicolas Moens
From multi-dimensional stellar wind models to spectral synthesis (presentation)

17:00-17:20 Dwaipayan Debnath
3D unified atmospheric and wind models of OB stars (presentation)

17:20-17:40 Lara Delbroek
Toward spectral analysis with 3D model atmospheres (presentation)

17:40-18:30 Welcome Reception

Tuesday, June 25

09:30-09:50 Gemma Gonzalez-Tora
Combined efforts: 1D vs multi-dimensional atmospheric model comparison for O and WR stars (presentation)

09:50-10:10 Elisson de Almeida
Probing the weak wind phenomenon in massive stars through hydrodynamical simulations (presentation)

10:10-10:30 Ignacio Araya
Stellar Atmosphere and Hydrodynamic Modeling with ISOSCELES v2.0 (presentation)

10:33-10:50 Felipe Figueroa-Tapia
Self-consistent formulae for theoretical mass-loss rate and terminal velocity of O stars (presentation)

10:50-11:20 Coffee-break

11:20-11:40 Wagner Marcolino
Massive stars at low metallicity - grids of CMFGEN models (presentation)

11:40-12:00 Shrriya Kapoor
Spectra and Ionizing Fluxes of Pop III Stars (presentation)

IV. Be stars

12:00-12:45 Yanina Cochetti (invited)
The importance of the infrared spectral data to study Be stars (presentation)

12:45-14:00 Lunch

14:00-14:20 Anahi Granada
The Origins of Be Stars: Investigating the Intra-cluster Environments of NGC 663 and NGC 7419 (presentation)

V. Evolution of massive stars

14:20-14:40 Bhawna Mukhija
Numerical Experiment of mass loss and mass accretion mechanics in Massive stars (presentation)

14:40-15:00 Joris Josiek
Spectral evolution of very massive stars on the main sequence (presentation)

15:00-15:20 Alex Gormaz-Matamala
Impact of the stellar evolution adopting m-CAK self-consistent winds (presentation)

15:20-15:50 Coffee-break

15:50-16:35 Michalis Kourniotis (invited)
Evolution of massive stars post the main sequence (presentation)

VI. Blue supergiants

16:35-16:55 Julieta Paz Sánchez Arias
Uncovering the challanges to assess the evolution of B supergiants (presentation)

16:55-17:15 Olivier Verhamme
Detailed mass-loss rates of B-supergiants across the bi-stability jump using UV+optical spectroscopy (presentation)

17:15-17:45 Poster flashes:

1 - Panei, Jorge, Different recipes for the mass-loss rates of O and B stars (poster)
2 - Daflon, Simone, Spectroscopic Analysis of OB stars in the Carina Nebula (poster)
3 - Turis Gallo, Daniela, Determining Inclination Angles in Rapidly Rotating Massive Stars via Spectroscopic Analysis (poster)
4 - Machuca, Natalia, Spectral modeling of OB-type stars and wind momentum luminosity relationship (poster)
5 - Ortiz, Felipe, Classification of spectral Halpha lines from massive stars using machine learning methods (poster)
6 - Christen, Alejandra, Application of the Ensemble Empirical Mode Decomposition (EEMD) method in astronomy (poster)
7 - Aidelman, Yael, Revisiting the Spectral Evolution of μ Centauri: Insights from Historical Data Digitized by the ReTrOH Project (poster)
8 - Batista Souza, Tiago, Modeling of Classical Be stars belonging to the BeSOS database (poster)
9 - Concha, David, Stellar parameters, disk-phases changes and new insight about the line-profile variability of the Be star 𝝅 Aquarii (poster)
10 - Silva Soares, Marcos Felipe, Spectroscopic Analysis of B and Be Stars in the open Cluster NGC 3766 (poster)
11 - Mercanti, Lorena, Stellar Wind Parameter Determination through Modeling IR Line Profiles in B-type Supergiants (poster)
12 - Ruíz Díaz, Matias, Long-term Spectral Analysis of HD 41117 (poster)

Wednesday, June 26

09:30-09:50 Aldana Alberici Adam
Exploring variability in B supergiant stars: a theoretical and photometric approach to pulsation modes and detection of binary systems (presentation)

09:50-10:10 Vitalii Checha
Variability in B supergiant star HD91316 (rho Leo) (presentation)

10:10-10:30 Suryani Guha
Characterization of the Variability of the B-Supergiant HD 14134 (presentation)

10:30-11:00 Coffee-break

VII. Red Supergiants

11:00-11:20 Evaggelia Christodoulou
J-band spectroscopy of dusty, mass losing red supergiants in low metallicity galaxies (presentation)

11:20-11:40 Gonzalo Munoz-Sanchez
Episodic mass loss discovered in two extreme RSG in the LMC (presentation)

VIII. Yellow Hypergiants and Luminous Blue Variables

11:40-12:25 Alex Lobel (invited)
Yellow Hypergiants and Luminous Blue Variables (presentation)

12:25-14:00 Lunch

Excursion & Dinner

Thursday, June 27

09:30-09:50 Anni Kasikov
The post-outburst evolution of RW Cep (presentation)

09:50-10:10 Athos Silva
Stellar Parameters from LBVs R110, R40 and R71 Quiescent and Eruptive Stages by Fitting FEROS’ Spectroscopic Observations with CMFGEN (presentation)

10:10-10:30 Matheus Bernini Peron
Hydrodynamically consistent models of LBVs and BHGs (presentation)

10:30-10:50 Augusto Damineli
Eta Carinae: 100 years of stability (presentation)

10:50-11:20 Coffee-break

11:20-11:40 Diego Falceta Gonçalves
X-rays, Gamma-rays and High energy particles from Colliding Wind Binaries: the case of Eta Carinae (presentation)

IX. Wolf-Rayet stars

11:40-12:00 Roel Lefever
A Bi-stability Jump for Wolf-Rayet stars? (presentation)

12:00-12:20 Cassandra Van der Sijpt
Structure formation in the envelopes of massive stars (presentation)

12:20-12:40 Aynur Abdulkarimova
Unveiling the Evolutionary Journey of J040901.83+323955.6 (presentation)

12:40-14:20 Lunch

X. Supernovae

14:20-14:40 Francesco Gabrielli
The cosmic rate of pair-instability supernovae (presentation)

XI. Circumstellar environments

14:40-15:25 Alex Carciofi (invited)
Mass loss in Dwarf and Evolved B stars (pdf, presentation with animations)

15:25-15:55 Coffee-break

15:55-16:15 Kuljeet Singh Saddal
Local Dynamics at the Apex of an Astropause: Insights from 3D Resistive MHD Solutions (presentation)

16:15-16:35 Arup Kumar Maity
Cloud-Cloud Collision: Formation of Hub-Filament Systems and Associated Gas Kinematics (presentation)

16:35-16:55 Katarzyna Nowak
Testing the Supermassive Star Scenario for Early Massive Cluster Evolution (presentation)

16:55-17:25 Poster flashes:

13 - Quandt, Christoph, Monitoring of the Yellow Hypergiant Rho Cas in 2018-2024 (presented by Alex Lobel) (poster)
14 - Drake, Natalia, RMC 40 in eruptive phase: CNO and rare-earth elements (poster)
15 - Pinto Rodrigues de Almeida, Karyne, Analysis of spectroscopic and photometric data of Luminous Blue Variable stars (poster)
16 - Gonzalez-Tora, Gemma, Using interferometry to model the winds of red supergiants (poster)
17 - Abdulkarimova, Aynur, Clarifying the Parameters of Extragalactic WN Stars (poster)
18 - Farrell, Kennedy, CMFGEN Models of WN3 BAT99-3 (poster)
19 - Meneses, Rodrigo, Mathematical discussion on a circumstellar matter model for massive stars (poster)
20 - Torres, Andrea Fabiana, Modeling the Ca II forbidden lines arisen from a radiation-driven wind and circumstellar disk (poster)
21 - Arias, Maria Laura, High resolution near-IR spectroscopic observations of B[e]sg from the Magellanic Clouds (poster)
22 - Kraus, Michaela, Near-infrared characterization of evolved massive stars in M31 and M33 (poster)
23 - Fernández, Melina, Where the stellar wind impinges the interstellar medium (poster)
24 - Braz, Pedro, A structural and spectroscopy study of the clusters surrounding the Orion Nebula: NGC 1977 and NGC 1981 (poster)

Friday, June 28

XII. Massive star binarity across the HRD

09:30-10:15 Rene Oudmaijer (invited)
Massive star binarity across the HRD (presentation)

10:15-10:35 Emma Bordier
A high-angular resolution insight into the onset of stellar multiplicity in massive star formation (presentation)

10:35-10:55 Carlos Guerrero Peña
Identification of Possible Stellar Companions via Speckle Interferometry in a Sample of Be Stars (presentation)

10:55-11:25 Coffee-break

11:25-11:45 Robert Klement
Interferometric campaign on the multiplicity of classical Be stars: new detections and orbits of stripped subdwarf companions (presentation)

11:45-12:05 Lucas de Sá
Constraining massive binary formation and evolution from compact object mergers (presentation)

12:05-12:25 Koushik Sen
Whispering in the dark: X-ray faint black holes around OB stars (presentation)

12:25-13:15 Marcelo Borges Fernandes & Michaela Kraus
Conference Summary

13:15-14:30 Lunch

END OF THE CONFERENCE